Extending the metaphor GIS query language and environment to 3D domains
Genoveffa Tortora, L. Paolino, Monica Sebillo, Giuliana Vitiello, Fabio Pittarello · 2002
The aim of our research is to provide GIS users with a visual environment where they can formulate spatial queries which implicitly capture the double nature of geographical data. In particular, in this paper we propose an extension to the MGISQL visual environment, where users may pose 3D queries about those phenomena where the third dimension is a relevant feature for data retrieving. The interaction between users and the visual environment is performed by manipulating 3D geometaphors. The underlying algebra for spatial operators is enriched accordingly. Visual queries are composed in a 3D environment, called the Sensitive Cube, characterized by the 3D geometaphors, visualized as 'floating objects'.